LONDON, May 29: Britain’s best-known publicist, Max Clifford, pleaded not guilty in a London court on Tuesday to 11 counts of indecent assault against seven girls dating back to the 1960s, 70s and 80s. Often described as a public relations “guru” for his ability to generate and control press coverage, Clifford is a household name in Britain whose celebrity clients have included TV music mogul Simon Cowell and U.S. Boxer Muhammad Ali. (agencies)